/** @file MSR Definitions for the Intel(R) Core(TM) 2 Processor Family. Provides defines for Machine Specific Registers(MSR) indexes. Data structures are provided for MSRs that contain one or more bit fields. If the MSR value returned is a single 32-bit or 64-bit value, then a data structure is not provided for that MSR. Copyright (c) 2016 - 2019, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent @par Specification Reference: Intel(R) 64 and IA-32 Architectures Software Developer's Manual, Volume 4, May 2018, Volume 4: Model-Specific-Registers (MSR) **/ #ifndef __CORE2_MSR_H__ #define __CORE2_MSR_H__ #include /** Is Intel(R) Core(TM) 2 Processor Family? @param DisplayFamily Display Family ID @param DisplayModel Display Model ID @retval TRUE Yes, it is. @retval FALSE No, it isn't. **/ #define IS_CORE2_PROCESSOR(DisplayFamily, DisplayModel) \ (DisplayFamily == 0x06 && \ ( \ DisplayModel == 0x0F || \ DisplayModel == 0x17 \ ) \ ) /** Shared. Model Specific Platform ID (R). @param ECX MSR_CORE2_PLATFORM_ID (0x00000017) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_PLATFORM_ID_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_PLATFORM_ID_REGISTER. Example usage @code MSR_CORE2_PLATFORM_ID_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_PLATFORM_ID); @endcode @note MSR_CORE2_PLATFORM_ID is defined as MSR_PLATFORM_ID in SDM. **/ #define MSR_CORE2_PLATFORM_ID 0x00000017 /** MSR information returned for MSR index #MSR_CORE2_PLATFORM_ID **/ typedef union { /// /// Individual bit fields /// struct { UINT32 Reserved1:8; /// /// [Bits 12:8] Maximum Qualified Ratio (R) The maximum allowed bus ratio. /// UINT32 MaximumQualifiedRatio:5; UINT32 Reserved2:19; UINT32 Reserved3:18; /// /// [Bits 52:50] See Table 2-2. /// UINT32 PlatformId:3; UINT32 Reserved4:11; } Bits; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_PLATFORM_ID_REGISTER; /** Shared. Processor Hard Power-On Configuration (R/W) Enables and disables processor features; (R) indicates current processor configuration. @param ECX MSR_CORE2_EBL_CR_POWERON (0x0000002A) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_EBL_CR_POWERON_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_EBL_CR_POWERON_REGISTER. Example usage @code MSR_CORE2_EBL_CR_POWERON_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_EBL_CR_POWERON); AsmWriteMsr64 (MSR_CORE2_EBL_CR_POWERON, Msr.Uint64); @endcode @note MSR_CORE2_EBL_CR_POWERON is defined as MSR_EBL_CR_POWERON in SDM. **/ #define MSR_CORE2_EBL_CR_POWERON 0x0000002A /** MSR information returned for MSR index #MSR_CORE2_EBL_CR_POWERON **/ typedef union { /// /// Individual bit fields /// struct { UINT32 Reserved1:1; /// /// [Bit 1] Data Error Checking Enable (R/W) 1 = Enabled; 0 = Disabled /// Note: Not all processor implements R/W. /// UINT32 DataErrorCheckingEnable:1; /// /// [Bit 2] Response Error Checking Enable (R/W) 1 = Enabled; 0 = Disabled /// Note: Not all processor implements R/W. /// UINT32 ResponseErrorCheckingEnable:1; /// /// [Bit 3] MCERR# Drive Enable (R/W) 1 = Enabled; 0 = Disabled Note: Not /// all processor implements R/W. /// UINT32 MCERR_DriveEnable:1; /// /// [Bit 4] Address Parity Enable (R/W) 1 = Enabled; 0 = Disabled Note: /// Not all processor implements R/W. /// UINT32 AddressParityEnable:1; UINT32 Reserved2:1; UINT32 Reserved3:1; /// /// [Bit 7] BINIT# Driver Enable (R/W) 1 = Enabled; 0 = Disabled Note: Not /// all processor implements R/W. /// UINT32 BINIT_DriverEnable:1; /// /// [Bit 8] Output Tri-state Enabled (R/O) 1 = Enabled; 0 = Disabled. /// UINT32 OutputTriStateEnable:1; /// /// [Bit 9] Execute BIST (R/O) 1 = Enabled; 0 = Disabled. /// UINT32 ExecuteBIST:1; /// /// [Bit 10] MCERR# Observation Enabled (R/O) 1 = Enabled; 0 = Disabled. /// UINT32 MCERR_ObservationEnabled:1; /// /// [Bit 11] Intel TXT Capable Chipset. (R/O) 1 = Present; 0 = Not Present. /// UINT32 IntelTXTCapableChipset:1; /// /// [Bit 12] BINIT# Observation Enabled (R/O) 1 = Enabled; 0 = Disabled. /// UINT32 BINIT_ObservationEnabled:1; UINT32 Reserved4:1; /// /// [Bit 14] 1 MByte Power on Reset Vector (R/O) 1 = 1 MByte; 0 = 4 GBytes. /// UINT32 ResetVector:1; UINT32 Reserved5:1; /// /// [Bits 17:16] APIC Cluster ID (R/O). /// UINT32 APICClusterID:2; /// /// [Bit 18] N/2 Non-Integer Bus Ratio (R/O) 0 = Integer ratio; 1 = /// Non-integer ratio. /// UINT32 NonIntegerBusRatio:1; UINT32 Reserved6:1; /// /// [Bits 21:20] Symmetric Arbitration ID (R/O). /// UINT32 SymmetricArbitrationID:2; /// /// [Bits 26:22] Integer Bus Frequency Ratio (R/O). /// UINT32 IntegerBusFrequencyRatio:5; UINT32 Reserved7:5; UINT32 Reserved8:32; } Bits; /// /// All bit fields as a 32-bit value /// UINT32 Uint32; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_EBL_CR_POWERON_REGISTER; /** Unique. Control Features in Intel 64 Processor (R/W) See Table 2-2. @param ECX MSR_CORE2_FEATURE_CONTROL (0x0000003A) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_FEATURE_CONTROL_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_FEATURE_CONTROL_REGISTER. Example usage @code MSR_CORE2_FEATURE_CONTROL_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_FEATURE_CONTROL); AsmWriteMsr64 (MSR_CORE2_FEATURE_CONTROL, Msr.Uint64); @endcode @note MSR_CORE2_FEATURE_CONTROL is defined as MSR_FEATURE_CONTROL in SDM. **/ #define MSR_CORE2_FEATURE_CONTROL 0x0000003A /** MSR information returned for MSR index #MSR_CORE2_FEATURE_CONTROL **/ typedef union { /// /// Individual bit fields /// struct { UINT32 Reserved1:3; /// /// [Bit 3] Unique. SMRR Enable (R/WL) When this bit is set and the lock /// bit is set makes the SMRR_PHYS_BASE and SMRR_PHYS_MASK registers read /// visible and writeable while in SMM. /// UINT32 SMRREnable:1; UINT32 Reserved2:28; UINT32 Reserved3:32; } Bits; /// /// All bit fields as a 32-bit value /// UINT32 Uint32; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_FEATURE_CONTROL_REGISTER; /** Unique. Last Branch Record n From IP (R/W) One of four pairs of last branch record registers on the last branch record stack. The From_IP part of the stack contains pointers to the source instruction. See also: - Last Branch Record Stack TOS at 1C9H - Section 17.5. @param ECX MSR_CORE2_LASTBRANCH_n_FROM_IP @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_LASTBRANCH_0_FROM_IP); AsmWriteMsr64 (MSR_CORE2_LASTBRANCH_0_FROM_IP, Msr); @endcode @note MSR_CORE2_LASTBRANCH_0_FROM_IP is defined as MSR_LASTBRANCH_0_FROM_IP in SDM. MSR_CORE2_LASTBRANCH_1_FROM_IP is defined as MSR_LASTBRANCH_1_FROM_IP in SDM. MSR_CORE2_LASTBRANCH_2_FROM_IP is defined as MSR_LASTBRANCH_2_FROM_IP in SDM. MSR_CORE2_LASTBRANCH_3_FROM_IP is defined as MSR_LASTBRANCH_3_FROM_IP in SDM. @{ **/ #define MSR_CORE2_LASTBRANCH_0_FROM_IP 0x00000040 #define MSR_CORE2_LASTBRANCH_1_FROM_IP 0x00000041 #define MSR_CORE2_LASTBRANCH_2_FROM_IP 0x00000042 #define MSR_CORE2_LASTBRANCH_3_FROM_IP 0x00000043 /// @} /** Unique. Last Branch Record n To IP (R/W) One of four pairs of last branch record registers on the last branch record stack. This To_IP part of the stack contains pointers to the destination instruction. @param ECX MSR_CORE2_LASTBRANCH_n_TO_IP @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_LASTBRANCH_0_TO_IP); AsmWriteMsr64 (MSR_CORE2_LASTBRANCH_0_TO_IP, Msr); @endcode @note MSR_CORE2_LASTBRANCH_0_TO_IP is defined as MSR_LASTBRANCH_0_TO_IP in SDM. MSR_CORE2_LASTBRANCH_1_TO_IP is defined as MSR_LASTBRANCH_1_TO_IP in SDM. MSR_CORE2_LASTBRANCH_2_TO_IP is defined as MSR_LASTBRANCH_2_TO_IP in SDM. MSR_CORE2_LASTBRANCH_3_TO_IP is defined as MSR_LASTBRANCH_3_TO_IP in SDM. @{ **/ #define MSR_CORE2_LASTBRANCH_0_TO_IP 0x00000060 #define MSR_CORE2_LASTBRANCH_1_TO_IP 0x00000061 #define MSR_CORE2_LASTBRANCH_2_TO_IP 0x00000062 #define MSR_CORE2_LASTBRANCH_3_TO_IP 0x00000063 /// @} /** Unique. System Management Mode Base Address register (WO in SMM) Model-specific implementation of SMRR-like interface, read visible and write only in SMM. @param ECX MSR_CORE2_SMRR_PHYSBASE (0x000000A0) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_SMRR_PHYSBASE_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_SMRR_PHYSBASE_REGISTER. Example usage @code MSR_CORE2_SMRR_PHYSBASE_REGISTER Msr; Msr.Uint64 = 0; AsmWriteMsr64 (MSR_CORE2_SMRR_PHYSBASE, Msr.Uint64); @endcode @note MSR_CORE2_SMRR_PHYSBASE is defined as MSR_SMRR_PHYSBASE in SDM. **/ #define MSR_CORE2_SMRR_PHYSBASE 0x000000A0 /** MSR information returned for MSR index #MSR_CORE2_SMRR_PHYSBASE **/ typedef union { /// /// Individual bit fields /// struct { UINT32 Reserved1:12; /// /// [Bits 31:12] PhysBase. SMRR physical Base Address. /// UINT32 PhysBase:20; UINT32 Reserved2:32; } Bits; /// /// All bit fields as a 32-bit value /// UINT32 Uint32; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_SMRR_PHYSBASE_REGISTER; /** Unique. System Management Mode Physical Address Mask register (WO in SMM) Model-specific implementation of SMRR-like interface, read visible and write only in SMM. @param ECX MSR_CORE2_SMRR_PHYSMASK (0x000000A1) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_SMRR_PHYSMASK_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_SMRR_PHYSMASK_REGISTER. Example usage @code MSR_CORE2_SMRR_PHYSMASK_REGISTER Msr; Msr.Uint64 = 0; AsmWriteMsr64 (MSR_CORE2_SMRR_PHYSMASK, Msr.Uint64); @endcode @note MSR_CORE2_SMRR_PHYSMASK is defined as MSR_SMRR_PHYSMASK in SDM. **/ #define MSR_CORE2_SMRR_PHYSMASK 0x000000A1 /** MSR information returned for MSR index #MSR_CORE2_SMRR_PHYSMASK **/ typedef union { /// /// Individual bit fields /// struct { UINT32 Reserved1:11; /// /// [Bit 11] Valid. Physical address base and range mask are valid. /// UINT32 Valid:1; /// /// [Bits 31:12] PhysMask. SMRR physical address range mask. /// UINT32 PhysMask:20; UINT32 Reserved2:32; } Bits; /// /// All bit fields as a 32-bit value /// UINT32 Uint32; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_SMRR_PHYSMASK_REGISTER; /** Shared. Scalable Bus Speed(RO) This field indicates the intended scalable bus clock speed for processors based on Intel Core microarchitecture:. @param ECX MSR_CORE2_FSB_FREQ (0x000000CD) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_FSB_FREQ_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_FSB_FREQ_REGISTER. Example usage @code MSR_CORE2_FSB_FREQ_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_FSB_FREQ); @endcode @note MSR_CORE2_FSB_FREQ is defined as MSR_FSB_FREQ in SDM. **/ #define MSR_CORE2_FSB_FREQ 0x000000CD /** MSR information returned for MSR index #MSR_CORE2_FSB_FREQ **/ typedef union { /// /// Individual bit fields /// struct { /// /// [Bits 2:0] - Scalable Bus Speed /// 101B: 100 MHz (FSB 400) /// 001B: 133 MHz (FSB 533) /// 011B: 167 MHz (FSB 667) /// 010B: 200 MHz (FSB 800) /// 000B: 267 MHz (FSB 1067) /// 100B: 333 MHz (FSB 1333) /// /// 133.33 MHz should be utilized if performing calculation with System /// Bus Speed when encoding is 001B. 166.67 MHz should be utilized if /// performing calculation with System Bus Speed when encoding is 011B. /// 266.67 MHz should be utilized if performing calculation with System /// Bus Speed when encoding is 000B. 333.33 MHz should be utilized if /// performing calculation with System Bus Speed when encoding is 100B. /// UINT32 ScalableBusSpeed:3; UINT32 Reserved1:29; UINT32 Reserved2:32; } Bits; /// /// All bit fields as a 32-bit value /// UINT32 Uint32; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_FSB_FREQ_REGISTER; /** Shared. @param ECX MSR_CORE2_PERF_STATUS (0x00000198) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_PERF_STATUS_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_PERF_STATUS_REGISTER. Example usage @code MSR_CORE2_PERF_STATUS_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_PERF_STATUS); AsmWriteMsr64 (MSR_CORE2_PERF_STATUS, Msr.Uint64); @endcode @note MSR_CORE2_PERF_STATUS is defined as MSR_PERF_STATUS in SDM. **/ #define MSR_CORE2_PERF_STATUS 0x00000198 /** MSR information returned for MSR index #MSR_CORE2_PERF_STATUS **/ typedef union { /// /// Individual bit fields /// struct { /// /// [Bits 15:0] Current Performance State Value. /// UINT32 CurrentPerformanceStateValue:16; UINT32 Reserved1:15; /// /// [Bit 31] XE Operation (R/O). If set, XE operation is enabled. Default /// is cleared. /// UINT32 XEOperation:1; UINT32 Reserved2:8; /// /// [Bits 44:40] Maximum Bus Ratio (R/O) Indicates maximum bus ratio /// configured for the processor. /// UINT32 MaximumBusRatio:5; UINT32 Reserved3:1; /// /// [Bit 46] Non-Integer Bus Ratio (R/O) Indicates non-integer bus ratio /// is enabled. Applies processors based on Enhanced Intel Core /// microarchitecture. /// UINT32 NonIntegerBusRatio:1; UINT32 Reserved4:17; } Bits; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_PERF_STATUS_REGISTER; /** Unique. @param ECX MSR_CORE2_THERM2_CTL (0x0000019D) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_THERM2_CTL_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_THERM2_CTL_REGISTER. Example usage @code MSR_CORE2_THERM2_CTL_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_THERM2_CTL); AsmWriteMsr64 (MSR_CORE2_THERM2_CTL, Msr.Uint64); @endcode @note MSR_CORE2_THERM2_CTL is defined as MSR_THERM2_CTL in SDM. **/ #define MSR_CORE2_THERM2_CTL 0x0000019D /** MSR information returned for MSR index #MSR_CORE2_THERM2_CTL **/ typedef union { /// /// Individual bit fields /// struct { UINT32 Reserved1:16; /// /// [Bit 16] TM_SELECT (R/W) Mode of automatic thermal monitor: 1. = /// Thermal Monitor 1 (thermally-initiated on-die modulation of the /// stop-clock duty cycle) 2. = Thermal Monitor 2 (thermally-initiated /// frequency transitions) If bit 3 of the IA32_MISC_ENABLE register is /// cleared, TM_SELECT has no effect. Neither TM1 nor TM2 are enabled. /// UINT32 TM_SELECT:1; UINT32 Reserved2:15; UINT32 Reserved3:32; } Bits; /// /// All bit fields as a 32-bit value /// UINT32 Uint32; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_THERM2_CTL_REGISTER; /** Enable Misc. Processor Features (R/W) Allows a variety of processor functions to be enabled and disabled. @param ECX MSR_CORE2_IA32_MISC_ENABLE (0x000001A0) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_IA32_MISC_ENABLE_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_IA32_MISC_ENABLE_REGISTER. Example usage @code MSR_CORE2_IA32_MISC_ENABLE_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_IA32_MISC_ENABLE); AsmWriteMsr64 (MSR_CORE2_IA32_MISC_ENABLE, Msr.Uint64); @endcode @note MSR_CORE2_IA32_MISC_ENABLE is defined as IA32_MISC_ENABLE in SDM. **/ #define MSR_CORE2_IA32_MISC_ENABLE 0x000001A0 /** MSR information returned for MSR index #MSR_CORE2_IA32_MISC_ENABLE **/ typedef union { /// /// Individual bit fields /// struct { /// /// [Bit 0] Fast-Strings Enable See Table 2-2. /// UINT32 FastStrings:1; UINT32 Reserved1:2; /// /// [Bit 3] Unique. Automatic Thermal Control Circuit Enable (R/W) See /// Table 2-2. /// UINT32 AutomaticThermalControlCircuit:1; UINT32 Reserved2:3; /// /// [Bit 7] Shared. Performance Monitoring Available (R) See Table 2-2. /// UINT32 PerformanceMonitoring:1; UINT32 Reserved3:1; /// /// [Bit 9] Hardware Prefetcher Disable (R/W) When set, disables the /// hardware prefetcher operation on streams of data. When clear /// (default), enables the prefetch queue. Disabling of the hardware /// prefetcher may impact processor performance. /// UINT32 HardwarePrefetcherDisable:1; /// /// [Bit 10] Shared. FERR# Multiplexing Enable (R/W) 1 = FERR# asserted by /// the processor to indicate a pending break event within the processor 0 /// = Indicates compatible FERR# signaling behavior This bit must be set /// to 1 to support XAPIC interrupt model usage. /// UINT32 FERR:1; /// /// [Bit 11] Shared. Branch Trace Storage Unavailable (RO) See Table 2-2. /// UINT32 BTS:1; /// /// [Bit 12] Shared. Processor Event Based Sampling Unavailable (RO) See /// Table 2-2. /// UINT32 PEBS:1; /// /// [Bit 13] Shared. TM2 Enable (R/W) When this bit is set (1) and the /// thermal sensor indicates that the die temperature is at the /// pre-determined threshold, the Thermal Monitor 2 mechanism is engaged. /// TM2 will reduce the bus to core ratio and voltage according to the /// value last written to MSR_THERM2_CTL bits 15:0. /// When this bit is clear (0, default), the processor does not change /// the VID signals or the bus to core ratio when the processor enters a /// thermally managed state. The BIOS must enable this feature if the /// TM2 feature flag (CPUID.1:ECX[8]) is set; if the TM2 feature flag is /// not set, this feature is not supported and BIOS must not alter the /// contents of the TM2 bit location. The processor is operating out of /// specification if both this bit and the TM1 bit are set to 0. /// UINT32 TM2:1; UINT32 Reserved4:2; /// /// [Bit 16] Shared. Enhanced Intel SpeedStep Technology Enable (R/W) See /// Table 2-2. /// UINT32 EIST:1; UINT32 Reserved5:1; /// /// [Bit 18] Shared. ENABLE MONITOR FSM (R/W) See Table 2-2. /// UINT32 MONITOR:1; /// /// [Bit 19] Shared. Adjacent Cache Line Prefetch Disable (R/W) When set /// to 1, the processor fetches the cache line that contains data /// currently required by the processor. When set to 0, the processor /// fetches cache lines that comprise a cache line pair (128 bytes). /// Single processor platforms should not set this bit. Server platforms /// should set or clear this bit based on platform performance observed in /// validation and testing. BIOS may contain a setup option that controls /// the setting of this bit. /// UINT32 AdjacentCacheLinePrefetchDisable:1; /// /// [Bit 20] Shared. Enhanced Intel SpeedStep Technology Select Lock /// (R/WO) When set, this bit causes the following bits to become /// read-only: - Enhanced Intel SpeedStep Technology Select Lock (this /// bit), - Enhanced Intel SpeedStep Technology Enable bit. The bit must /// be set before an Enhanced Intel SpeedStep Technology transition is /// requested. This bit is cleared on reset. /// UINT32 EISTLock:1; UINT32 Reserved6:1; /// /// [Bit 22] Shared. Limit CPUID Maxval (R/W) See Table 2-2. /// UINT32 LimitCpuidMaxval:1; /// /// [Bit 23] Shared. xTPR Message Disable (R/W) See Table 2-2. /// UINT32 xTPR_Message_Disable:1; UINT32 Reserved7:8; UINT32 Reserved8:2; /// /// [Bit 34] Unique. XD Bit Disable (R/W) See Table 2-2. /// UINT32 XD:1; UINT32 Reserved9:2; /// /// [Bit 37] Unique. DCU Prefetcher Disable (R/W) When set to 1, The DCU /// L1 data cache prefetcher is disabled. The default value after reset is /// 0. BIOS may write '1' to disable this feature. The DCU prefetcher is /// an L1 data cache prefetcher. When the DCU prefetcher detects multiple /// loads from the same line done within a time limit, the DCU prefetcher /// assumes the next line will be required. The next line is prefetched in /// to the L1 data cache from memory or L2. /// UINT32 DCUPrefetcherDisable:1; /// /// [Bit 38] Shared. IDA Disable (R/W) When set to 1 on processors that /// support IDA, the Intel Dynamic Acceleration feature (IDA) is disabled /// and the IDA_Enable feature flag will be clear (CPUID.06H: EAX[1]=0). /// When set to a 0 on processors that support IDA, CPUID.06H: EAX[1] /// reports the processor's support of IDA is enabled. Note: the power-on /// default value is used by BIOS to detect hardware support of IDA. If /// power-on default value is 1, IDA is available in the processor. If /// power-on default value is 0, IDA is not available. /// UINT32 IDADisable:1; /// /// [Bit 39] Unique. IP Prefetcher Disable (R/W) When set to 1, The IP /// prefetcher is disabled. The default value after reset is 0. BIOS may /// write '1' to disable this feature. The IP prefetcher is an L1 data /// cache prefetcher. The IP prefetcher looks for sequential load history /// to determine whether to prefetch the next expected data into the L1 /// cache from memory or L2. /// UINT32 IPPrefetcherDisable:1; UINT32 Reserved10:24; } Bits; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_IA32_MISC_ENABLE_REGISTER; /** Unique. Last Branch Record Stack TOS (R/W) Contains an index (bits 0-3) that points to the MSR containing the most recent branch record. See MSR_LASTBRANCH_0_FROM_IP (at 40H). @param ECX MSR_CORE2_LASTBRANCH_TOS (0x000001C9) @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_LASTBRANCH_TOS); AsmWriteMsr64 (MSR_CORE2_LASTBRANCH_TOS, Msr); @endcode @note MSR_CORE2_LASTBRANCH_TOS is defined as MSR_LASTBRANCH_TOS in SDM. **/ #define MSR_CORE2_LASTBRANCH_TOS 0x000001C9 /** Unique. Last Exception Record From Linear IP (R) Contains a pointer to the last branch instruction that the processor executed prior to the last exception that was generated or the last interrupt that was handled. @param ECX MSR_CORE2_LER_FROM_LIP (0x000001DD) @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_LER_FROM_LIP); @endcode @note MSR_CORE2_LER_FROM_LIP is defined as MSR_LER_FROM_LIP in SDM. **/ #define MSR_CORE2_LER_FROM_LIP 0x000001DD /** Unique. Last Exception Record To Linear IP (R) This area contains a pointer to the target of the last branch instruction that the processor executed prior to the last exception that was generated or the last interrupt that was handled. @param ECX MSR_CORE2_LER_TO_LIP (0x000001DE) @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_LER_TO_LIP); @endcode @note MSR_CORE2_LER_TO_LIP is defined as MSR_LER_TO_LIP in SDM. **/ #define MSR_CORE2_LER_TO_LIP 0x000001DE /** Unique. Fixed-Function Performance Counter Register n (R/W). @param ECX MSR_CORE2_PERF_FIXED_CTRn @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_PERF_FIXED_CTR0); AsmWriteMsr64 (MSR_CORE2_PERF_FIXED_CTR0, Msr); @endcode @note MSR_CORE2_PERF_FIXED_CTR0 is defined as MSR_PERF_FIXED_CTR0 in SDM. MSR_CORE2_PERF_FIXED_CTR1 is defined as MSR_PERF_FIXED_CTR1 in SDM. MSR_CORE2_PERF_FIXED_CTR2 is defined as MSR_PERF_FIXED_CTR2 in SDM. @{ **/ #define MSR_CORE2_PERF_FIXED_CTR0 0x00000309 #define MSR_CORE2_PERF_FIXED_CTR1 0x0000030A #define MSR_CORE2_PERF_FIXED_CTR2 0x0000030B /// @} /** Unique. RO. This applies to processors that do not support architectural perfmon version 2. @param ECX MSR_CORE2_PERF_CAPABILITIES (0x00000345) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_PERF_CAPABILITIES_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_PERF_CAPABILITIES_REGISTER. Example usage @code MSR_CORE2_PERF_CAPABILITIES_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_PERF_CAPABILITIES); AsmWriteMsr64 (MSR_CORE2_PERF_CAPABILITIES, Msr.Uint64); @endcode @note MSR_CORE2_PERF_CAPABILITIES is defined as MSR_PERF_CAPABILITIES in SDM. **/ #define MSR_CORE2_PERF_CAPABILITIES 0x00000345 /** MSR information returned for MSR index #MSR_CORE2_PERF_CAPABILITIES **/ typedef union { /// /// Individual bit fields /// struct { /// /// [Bits 5:0] LBR Format. See Table 2-2. /// UINT32 LBR_FMT:6; /// /// [Bit 6] PEBS Record Format. /// UINT32 PEBS_FMT:1; /// /// [Bit 7] PEBSSaveArchRegs. See Table 2-2. /// UINT32 PEBS_ARCH_REG:1; UINT32 Reserved1:24; UINT32 Reserved2:32; } Bits; /// /// All bit fields as a 32-bit value /// UINT32 Uint32; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_PERF_CAPABILITIES_REGISTER; /** Unique. Fixed-Function-Counter Control Register (R/W). @param ECX MSR_CORE2_PERF_FIXED_CTR_CTRL (0x0000038D) @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_PERF_FIXED_CTR_CTRL); AsmWriteMsr64 (MSR_CORE2_PERF_FIXED_CTR_CTRL, Msr); @endcode @note MSR_CORE2_PERF_FIXED_CTR_CTRL is defined as MSR_PERF_FIXED_CTR_CTRL in SDM. **/ #define MSR_CORE2_PERF_FIXED_CTR_CTRL 0x0000038D /** Unique. See Section 18.6.2.2, "Global Counter Control Facilities.". @param ECX MSR_CORE2_PERF_GLOBAL_STATUS (0x0000038E) @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_PERF_GLOBAL_STATUS); AsmWriteMsr64 (MSR_CORE2_PERF_GLOBAL_STATUS, Msr); @endcode @note MSR_CORE2_PERF_GLOBAL_STATUS is defined as MSR_PERF_GLOBAL_STATUS in SDM. **/ #define MSR_CORE2_PERF_GLOBAL_STATUS 0x0000038E /** Unique. See Section 18.6.2.2, "Global Counter Control Facilities.". @param ECX MSR_CORE2_PERF_GLOBAL_CTRL (0x0000038F) @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_PERF_GLOBAL_CTRL); AsmWriteMsr64 (MSR_CORE2_PERF_GLOBAL_CTRL, Msr); @endcode @note MSR_CORE2_PERF_GLOBAL_CTRL is defined as MSR_PERF_GLOBAL_CTRL in SDM. **/ #define MSR_CORE2_PERF_GLOBAL_CTRL 0x0000038F /** Unique. See Section 18.6.2.2, "Global Counter Control Facilities.". @param ECX MSR_CORE2_PERF_GLOBAL_OVF_CTRL (0x00000390) @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_PERF_GLOBAL_OVF_CTRL); AsmWriteMsr64 (MSR_CORE2_PERF_GLOBAL_OVF_CTRL, Msr); @endcode @note MSR_CORE2_PERF_GLOBAL_OVF_CTRL is defined as MSR_PERF_GLOBAL_OVF_CTRL in SDM. **/ #define MSR_CORE2_PERF_GLOBAL_OVF_CTRL 0x00000390 /** Unique. See Table 2-2. See Section 18.6.2.4, "Processor Event Based Sampling (PEBS).". @param ECX MSR_CORE2_PEBS_ENABLE (0x000003F1) @param EAX Lower 32-bits of MSR value. Described by the type MSR_CORE2_PEBS_ENABLE_REGISTER. @param EDX Upper 32-bits of MSR value. Described by the type MSR_CORE2_PEBS_ENABLE_REGISTER. Example usage @code MSR_CORE2_PEBS_ENABLE_REGISTER Msr; Msr.Uint64 = AsmReadMsr64 (MSR_CORE2_PEBS_ENABLE); AsmWriteMsr64 (MSR_CORE2_PEBS_ENABLE, Msr.Uint64); @endcode @note MSR_CORE2_PEBS_ENABLE is defined as MSR_PEBS_ENABLE in SDM. **/ #define MSR_CORE2_PEBS_ENABLE 0x000003F1 /** MSR information returned for MSR index #MSR_CORE2_PEBS_ENABLE **/ typedef union { /// /// Individual bit fields /// struct { /// /// [Bit 0] Enable PEBS on IA32_PMC0. (R/W). /// UINT32 Enable:1; UINT32 Reserved1:31; UINT32 Reserved2:32; } Bits; /// /// All bit fields as a 32-bit value /// UINT32 Uint32; /// /// All bit fields as a 64-bit value /// UINT64 Uint64; } MSR_CORE2_PEBS_ENABLE_REGISTER; /** Unique. GBUSQ Event Control/Counter Register (R/W) Apply to Intel Xeon processor 7400 series (processor signature 06_1D) only. See Section 17.2.2. @param ECX MSR_CORE2_EMON_L3_CTR_CTLn @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_EMON_L3_CTR_CTL0); AsmWriteMsr64 (MSR_CORE2_EMON_L3_CTR_CTL0, Msr); @endcode @note MSR_CORE2_EMON_L3_CTR_CTL0 is defined as MSR_EMON_L3_CTR_CTL0 in SDM. MSR_CORE2_EMON_L3_CTR_CTL1 is defined as MSR_EMON_L3_CTR_CTL1 in SDM. MSR_CORE2_EMON_L3_CTR_CTL2 is defined as MSR_EMON_L3_CTR_CTL2 in SDM. MSR_CORE2_EMON_L3_CTR_CTL3 is defined as MSR_EMON_L3_CTR_CTL3 in SDM. MSR_CORE2_EMON_L3_CTR_CTL4 is defined as MSR_EMON_L3_CTR_CTL4 in SDM. MSR_CORE2_EMON_L3_CTR_CTL5 is defined as MSR_EMON_L3_CTR_CTL5 in SDM. MSR_CORE2_EMON_L3_CTR_CTL6 is defined as MSR_EMON_L3_CTR_CTL6 in SDM. MSR_CORE2_EMON_L3_CTR_CTL7 is defined as MSR_EMON_L3_CTR_CTL7 in SDM. @{ **/ #define MSR_CORE2_EMON_L3_CTR_CTL0 0x000107CC #define MSR_CORE2_EMON_L3_CTR_CTL1 0x000107CD #define MSR_CORE2_EMON_L3_CTR_CTL2 0x000107CE #define MSR_CORE2_EMON_L3_CTR_CTL3 0x000107CF #define MSR_CORE2_EMON_L3_CTR_CTL4 0x000107D0 #define MSR_CORE2_EMON_L3_CTR_CTL5 0x000107D1 #define MSR_CORE2_EMON_L3_CTR_CTL6 0x000107D2 #define MSR_CORE2_EMON_L3_CTR_CTL7 0x000107D3 /// @} /** Unique. L3/FSB Common Control Register (R/W) Apply to Intel Xeon processor 7400 series (processor signature 06_1D) only. See Section 17.2.2. @param ECX MSR_CORE2_EMON_L3_GL_CTL (0x000107D8) @param EAX Lower 32-bits of MSR value. @param EDX Upper 32-bits of MSR value. Example usage @code UINT64 Msr; Msr = AsmReadMsr64 (MSR_CORE2_EMON_L3_GL_CTL); AsmWriteMsr64 (MSR_CORE2_EMON_L3_GL_CTL, Msr); @endcode @note MSR_CORE2_EMON_L3_GL_CTL is defined as MSR_EMON_L3_GL_CTL in SDM. **/ #define MSR_CORE2_EMON_L3_GL_CTL 0x000107D8 #endif